¿Cuánto es un tercio del reciproco de 81^-1? A) 3^-3
B) 3^-2
C) 3^2
D) 3^3
E) 3^6

no because after the troops were pulled many blacks were killed by hangings lynchings and other cruel ways which in a way interrupted the reconstruction of the south and differed from the way abraham lincoln had an idea of reconstruction

step-by-step explanation:

i'm pretty sure it would take 20 hours because it's half the men so you multiply the number of hours it takes by 2